1; REQUIRES: x86-registered-target 2 3;; Test that passing -supports-hot-cold-new to the thin link prevents memprof 4;; metadata and attributes from being removed from the distributed ThinLTO 5;; backend, and vice versa without passing -supports-hot-cold-new. 6 7;; First check with -supports-hot-cold-new. 8; RUN: opt -thinlto-bc %s >%t.o 9; RUN: llvm-lto2 run %t.o -save-temps \ 10; RUN: -supports-hot-cold-new \ 11; RUN: -thinlto-distributed-indexes \ 12; RUN: -r=%t.o,main,plx \ 13; RUN: -r=%t.o,_Znam, \ 14; RUN: -o %t.out 15 16;; Ensure that the index file reflects the -supports-hot-cold-new, as that is 17;; how the ThinLTO backend behavior is controlled. 18; RUN: llvm-dis %t.out.index.bc -o - | FileCheck %s --check-prefix=CHECK-INDEX-ON 19;; Flags are printed in decimal, but this corresponds to 0x161, and 0x100 is 20;; the value indicating -supports-hot-cold-new was enabled. 21; CHECK-INDEX-ON: flags: 353 22 23; RUN: %clang -target x86_64-unknown-linux-gnu -O2 -o %t1.o -x ir %t.o -c -fthinlto-index=%t.o.thinlto.bc -save-temps=obj 24 25; RUN: llvm-dis %t.s.3.import.bc -o - | FileCheck %s --check-prefix=CHECK-IR 26; CHECK-IR: !memprof {{.*}} !callsite 27; CHECK-IR: "memprof"="cold" 28 29;; Next check without -supports-hot-cold-new, we should not perform 30;; context disambiguation, and we should strip memprof metadata and 31;; attributes before optimization during the distributed backend. 32; RUN: llvm-lto2 run %t.o -save-temps \ 33; RUN: -thinlto-distributed-indexes \ 34; RUN: -r=%t.o,main,plx \ 35; RUN: -r=%t.o,_Znam, \ 36; RUN: -o %t.out 37 38;; Ensure that the index file reflects not having -supports-hot-cold-new. 39; RUN: llvm-dis %t.out.index.bc -o - | FileCheck %s --check-prefix=CHECK-INDEX-OFF 40;; Flags are printed in decimal, but this corresponds to 0x61, without 0x100 set. 41; CHECK-INDEX-OFF: flags: 97 42 43; RUN: %clang -target x86_64-unknown-linux-gnu -O2 -o %t1.o -x ir %t.o -c -fthinlto-index=%t.o.thinlto.bc -save-temps=obj 44 45; RUN: llvm-dis %t.s.3.import.bc -o - | FileCheck %s \ 46; RUN: --implicit-check-not "!memprof" --implicit-check-not "!callsite" \ 47; RUN: --implicit-check-not "memprof"="cold" 48 49source_filename = "thinlto-distributed-supports-hot-cold-new.ll" 50target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128" 51target triple = "x86_64-unknown-linux-gnu" 52 53define i32 @main() #0 { 54entry: 55 %call = call ptr @_Znam(i64 0), !memprof !0, !callsite !5 56 %call1 = call ptr @_Znam(i64 0) #1 57 ret i32 0 58} 59 60declare ptr @_Znam(i64) 61 62attributes #0 = { noinline optnone } 63attributes #1 = { "memprof"="cold" } 64 65!0 = !{!1, !3} 66!1 = !{!2, !"notcold"} 67!2 = !{i64 9086428284934609951, i64 -5964873800580613432, i64 2732490490862098848, i64 8632435727821051414} 68!3 = !{!4, !"cold"} 69!4 = !{i64 9086428284934609951, i64 -5964873800580613432, i64 2732490490862098848, i64 -3421689549917153178} 70!5 = !{i64 9086428284934609951} 71